On Ultra Vest Pro Size:X-Small With a regular fit and

With a regular fit and a lightweight build so you can train without feeling weighed down and restricted

and unmatched protection from dirt and debris all in a lightweight

blending soft cushioning and balanced support to deliver a reliable run mile after mile

Highly Responsive Ride: The CloudTec cushioning system has been engineered for a highly responsive ride

PWRRUN PB is Saucony’s premier cushioning material

On Ultra Vest Pro Size:X-Small With a regular fit andThe next gen of On's pinnacle trail running vest! With a 10L dry pack and 2 500ml Hydrapak flasks for hydration. Optimized performance: Featuring improved bottle and pocket positioning for a better performance. A zip pocket at the front for easy access to your phone. And a new zip pocket at the back to safely store essentials, without bouncing or bunching. Athlete validated design: Tested and loved by elite trail athletes, this vest is up for every